From ace232c2b74b9fd8431867e38978f18a50745add Mon Sep 17 00:00:00 2001
From: Martin Vysny <mavi@vaadin.com>
Date: Thu, 16 Jan 2025 19:14:33 +0200
Subject: [PATCH] #182 README: demo MockVaadin.setMockRequestFactory() in Java

---
 karibu-testing-v10-spring/README.md                    |  9 +++++++++
 .../com/github/mvysny/kaributesting/v10/MockVaadin.kt  |  1 +
 .../mvysny/kaributesting/v10/MockVaadinJApiTest.java   | 10 ++++++++++
 3 files changed, 20 insertions(+)

diff --git a/karibu-testing-v10-spring/README.md b/karibu-testing-v10-spring/README.md
index e72a5259..61c62c9b 100644
--- a/karibu-testing-v10-spring/README.md
+++ b/karibu-testing-v10-spring/README.md
@@ -51,3 +51,12 @@ MockVaadin.mockRequestFactory = {
     }
 }
 ```
+Java:
+```java
+MockVaadin.INSTANCE.setMockRequestFactory(session -> new FakeRequest(session) {
+    @Override
+    public @Nullable Principal getUserPrincipal() {
+        return null; // SecurityContextHolder.getContext().getAuthentication()
+    }
+});
+```
diff --git a/karibu-testing-v10/src/main/kotlin/com/github/mvysny/kaributesting/v10/MockVaadin.kt b/karibu-testing-v10/src/main/kotlin/com/github/mvysny/kaributesting/v10/MockVaadin.kt
index 0d76966d..bcc75294 100644
--- a/karibu-testing-v10/src/main/kotlin/com/github/mvysny/kaributesting/v10/MockVaadin.kt
+++ b/karibu-testing-v10/src/main/kotlin/com/github/mvysny/kaributesting/v10/MockVaadin.kt
@@ -198,6 +198,7 @@ public object MockVaadin {
      * Creates [MockRequest]; override if you need to return a class that extends [MockRequest]
      * and modifies its behavior.
      */
+    @JvmStatic
     public var mockRequestFactory: (FakeHttpSession) -> FakeRequest = { FakeRequest(it) }
 
     private fun createSession(ctx: ServletContext, uiFactory: () -> UI) {
diff --git a/karibu-testing-v10/src/test/java/com/github/mvysny/kaributesting/v10/MockVaadinJApiTest.java b/karibu-testing-v10/src/test/java/com/github/mvysny/kaributesting/v10/MockVaadinJApiTest.java
index 6a346442..72adae37 100644
--- a/karibu-testing-v10/src/test/java/com/github/mvysny/kaributesting/v10/MockVaadinJApiTest.java
+++ b/karibu-testing-v10/src/test/java/com/github/mvysny/kaributesting/v10/MockVaadinJApiTest.java
@@ -1,9 +1,13 @@
 package com.github.mvysny.kaributesting.v10;
 
+import com.github.mvysny.fakeservlet.FakeRequest;
 import com.vaadin.flow.server.VaadinRequest;
 import com.vaadin.flow.server.VaadinResponse;
 
 import jakarta.servlet.http.Cookie;
+import org.jetbrains.annotations.Nullable;
+
+import java.security.Principal;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
@@ -22,5 +26,11 @@ public MockVaadinJApiTest() {
             UtilsKt.getFake(VaadinRequest.getCurrent()).addCookie(new Cookie("foo", "bar"));
             return new LocatorJApiTest.MyUI();
         });
+        MockVaadin.INSTANCE.setMockRequestFactory(session -> new FakeRequest(session) {
+            @Override
+            public @Nullable Principal getUserPrincipal() {
+                return null; // SecurityContextHolder.getContext().getAuthentication()
+            }
+        });
     }
 }